<template>
    <el-row class="home" :gutter="20">
      <el-col :span="8" style="margin-top:20px">
        <el-card shadow="hover">
          <div class="user">
              <img :src="userImg" />
              <div class="userinfo">
                  <p class="name">Admin</p>
                  <p class="access">超级管理员</p>
              </div>
          </div>
          <div class="login-info">
              <p>上次登录时间：<span>2021-7-19</span></p>
              <p>上次登录地点：<span>武汉</span></p>
          </div>
        </el-card>

        <el-card style="margin-top:20px; height:460px">
            <el-table :data="tableData">
               <el-table-column 
               v-for="(val,key) in tableLabel"
               :key="key"
               :prop="key"
               :label="val"
               >
               </el-table-column>
            </el-table>
        </el-card>

      </el-col>

      <el-col style="margin-top:20px" :span="16">
        <div class="num">
          <el-card v-for="item in countData" :key="item.name" :body-style="{display:'flex',padding:0}">
            <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background:item.color}"></i>
            <div class="detail">
              <p class="num">￥{{item.value}}</p>
              <p class="txt">{{item.name}}</p>
            </div>
          </el-card>
        </div>

        <el-card style="height:280px">
          <div style="height:280px" ref="echarts"></div>
        </el-card>
        <div class="graph">
          <el-card style="height:260px">
            <!--柱状图-->
            <div style="height:240px" ref="userEcharts"></div>
          </el-card>
          <el-card style="height:260px">
            <!--饼状图-->
            <div style="height:240px" ref="videoEcharts"></div>
          </el-card>
        </div>

      </el-col>

    </el-row>
</template>
<script>
import { getData } from '../../api/data.js'
import *as echarts from 'echarts'

export default ({
  name:'home',
  data(){
      return{
        userImg:require('../../src/assets/images/user.png'),
        tableData:[],
        tableLabel:{
            name:'课程',
            todayBuy:'今日购买',
            monthBuy:'本月购买',
            totalBuy:'总购买'
        },
        countData: [
          {
            name: "今日支付订单",
            value: 1234,
            icon: "success",
            color: "#2ec7c9",
          },
          {
            name: "今日收藏订单",
            value: 210,
            icon: "star-on",
            color: "#ffb980",
          },
          {
            name: "今日未支付订单",
            value: 1234,
            icon: "s-goods",
            color: "#5ab1ef",
          },
          {
            name: "本月支付订单",
            value: 1234,
            icon: "success",
            color: "#2ec7c9",
          },
          {
            name: "本月收藏订单",
            value: 210,
            icon: "star-on",
            color: "#ffb980",
          },
          {
            name: "本月未支付订单",
            value: 1234,
            icon: "s-goods",
            color: "#5ab1ef",
          },
        ],
      }
  },
  mounted(){
    getData().then(res => {
      const{ code,data } = res.data
      if(code === 20000){
        this.tableData = data.tableData
        const order = data.orderData
        const xData = order.date
        const keyArray = Object.keys(order.data[0])
        const series = []
        keyArray.forEach(key =>{
          series.push({
            name:key,
            data:order.data.map(item => item[key]),
            type:'line'
          })
        })

        const option = {
          xAxis:{
            data:xData
          },
          yAxis:{},
          legend:{
            data:keyArray
          },
          series
        }

        const E = echarts.init(this.$refs.echarts)
        E.setOption(option)

        //柱状图 用户图
        const userOption= {
          legend: {
            // 图例文字颜色
            textStyle: {
              color: "#333",
            },
          },
          grid: {
            left: "20%",
          },
          // 提示框
          tooltip: {
            trigger: "axis",
          },
          xAxis: {
            type: "category", // 类目轴
            data: data.userData.map(item => item.date),
            axisLine: {
              lineStyle: {
                color: "#17b3a3",
              },
            },
            axisLabel: {
              interval: 0,
              color: "#333",
            },
          },
          yAxis: [
            {
              type: "value",
              axisLine: {
                lineStyle: {
                  color: "#17b3a3",
                },
              },
            },
          ],
          color: ["#2ec7c9", "#b6a2de"],
          series: [
            {
              name:'新增用户',
              data:data.userData.map(item => item.new),
              type:'bar'
            },
            {
              name:'活跃用户',
              data:data.userData.map(item => item.active),
              type:'bar',
            }
          ],
        }
        const U = echarts.init(this.$refs.userEcharts)
        U.setOption(userOption)

        //饼图
        const videoOption = {
          tooltip: {
            trigger: "item",
          },
          color: [
            "#0f78f4",
            "#dd536b",
            "#9462e5",
            "#a6a6a6",
            "#e1bb22",
            "#39c362",
            "#3ed1cf",
          ],
          series: [
            {
              data: data.videoData,
              type: 'pie'
            }
          ],
        }
        const V = echarts.init(this.$refs.videoEcharts)
        V.setOption(videoOption)
      }
      console.log(res)
    })
  }
})
</script>
